EP3642924A1 - Electrical power distribution system and method - Google Patents
Electrical power distribution system and methodInfo
- Publication number
- EP3642924A1 EP3642924A1 EP18820687.4A EP18820687A EP3642924A1 EP 3642924 A1 EP3642924 A1 EP 3642924A1 EP 18820687 A EP18820687 A EP 18820687A EP 3642924 A1 EP3642924 A1 EP 3642924A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- power
- electrical
- fixed
- voltage level
- adapter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/08—Three-wire systems; Systems having more than three wires
- H02J1/082—Plural DC voltage, e.g. DC supply voltage with at least two different DC voltage levels
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/08—Three-wire systems; Systems having more than three wires
- H02J1/084—Three-wire systems; Systems having more than three wires for selectively connecting the load or loads to one or several among a plurality of power lines or power sources
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/10—Parallel operation of dc sources
- H02J1/102—Parallel operation of dc sources being switching converters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J5/00—Circuit arrangements for transfer of electric power between ac networks and dc networks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/10—The network having a local or delimited stationary reach
- H02J2310/12—The local stationary network supplying a household or a building
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J4/00—Circuit arrangements for mains or distribution networks not specified as ac or dc
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Definitions
- Embodiments of the present invention relate to electrical power distribution systems and methods.
- embodiments of the invention monitor and control electrical current in an electrical power distribution system to route power from a plurality of electrical power sources to a plurality of electrical power loads.
- AES energy sources
- PV photovoltaic
- wind wind
- geothermal geothermal
- an AES is in close proximity to the building site.
- the solar panel may be located adjacent to or on the roof of a building.
- the building site may have access to locally stored power, e.g. , in the form of lithium ion batteries or fuel cells.
- Prior art equipment configurations used to produce, convert, distribute, and store power for or to a building site are complex and expensive, with many pieces of equipment and many interfaces. What is needed is a simple, relatively inexpensive system to produce, convert, distribute and store electrical power for a building site.
- an electrical power distribution system 100 comprises a central electrical power switch or router that receives DC electrical power from or to one or more electrical power sources and transmits the DC electrical power to one or more electrical power loads.
- a DC bus 105 receives and transmits electrical power at a first fixed DC voltage level, for example, 800 volts, from one or more electrical power sources to one or more electrical power loads.
- the embodiment further includes a number of DC power output ports 130 to transmit electrical power at a second fixed DC voltage level to a corresponding number of DC power loads 145.
- the second fixed DC voltage level is 60 volts.
- each output port 130 connects the electrical power distribution system to an individual unit in a building site, for example, a single family dwelling. There may also be other output ports connected to an electrical load in common or shared among the individual units, such as building site lighting or a control panel for a fire alarm system.
- a like number of current and voltage sensors 140 respectively monitor the current and voltage usage for each of the DC power output ports 130. These sensors and associated circuitry, among other things, detect an amount of DC transmitted by the DC power output ports 130 to the DC power loads 145. It is contemplated that the sensors 140 may be hierarchically arranged, wherein one sensor 140 communicates with the other sensors 140 and aggregates information or data about the current and/or voltage usage of the DC power loads and
- each sensor 140 may communicate individually with controller 101 .
- a DC power output adapter 135 couples the DC bus 105 to the DC power output ports 130 to provide DC power to the DC power loads 145.
- the DC power output adapter comprises an input bus interface136 that couples the DC power output adapter 135 to the DC bus, and an output interface 137 that couples the DC power output adapter to the DC power output ports 130.
- a DC- to-DC (DC/DC) converter 1 16 is coupled to the input bus interface 136 and the output interface 137 to receive and convert the electrical power transmitted on the DC bus at the first fixed DC voltage level to electrical power at the second fixed DC voltage level for transmission to the DC power output ports 130.
- the DC/DC converter is a 10kW DC/DC converter.
- the embodiment further includes a number of alternating current (AC) power output ports 120 to transmit electrical power at a first fixed AC voltage level to a corresponding number of AC power loads 125.
- the first fixed AC voltage level is 240 volts AC (Vac).
- each output port 120 connects the electrical power distribution system to an individual unit in the building site, for example, a single family dwelling. As in the case of output ports 130, there may be other output ports 120 connected to an electrical load in common or shared among the individual units.
- a like number of current and voltage sensors 146 respectively monitor the current and voltage usage for each of the AC power output ports 120. These sensors and associated circuitry, similar to sensors 140, detect an amount of AC transmitted by the AC power output ports 120 to the AC power loads 125. It is contemplated that the sensors 146 may be hierarchically arranged, wherein one sensor 146 communicates with the other sensors 146 and aggregates information or data about the current and/or voltage usage of the AC power loads and
- each sensor 146 communicates on behalf of all the sensors 146 with a controller such as controller 101 .
- controller 101 Alternatively, each sensor 146 may communicate individually with controller 101 .
- an AC power input/output (I/O) adapter 1 10 couples the DC bus 105 to the AC power output ports 120 to provide AC power to the AC power loads 125.
- the AC power IO adapter comprises an input/output bus interface 1 12 that couples the AC power IO adapter 1 10 to the DC bus, and an input/output interface 1 1 1 that couples the AC power IO adapter to the AC power output ports 120.
- a bi-directional AC-to-DC converter 1 15 is coupled to the input/output bus interface 1 12 and the input/output interface 1 1 1 to receive and convert the electrical power transmitted on the DC bus at the first fixed DC voltage level to electrical power at the first fixed AC voltage level for transmission to the AC power output ports 120.
- the bidirectional AC/DC converter is a 50kW bidirectional AC/DC converter.
- the AC power I/O adapter 1 10 further is to couple to an AC power grid 121 (e.g., a public utility grid) to receive and convert electrical power transmitted from the AC power grid 121 at a second fixed AC voltage level to the electrical power at the first fixed AC voltage level for transmission to the AC power output ports 120.
- the second fixed AC voltage level is 277 volts AC (Vac).
- the AC power IO adapter 1 10 comprises an input/output interface 1 1 1 that couples the AC power IO adapter to the AC power grid (or AC distribution panel connected
- the AC/DC bidirectional converter 1 15 is coupled to the input/output interface 1 1 1 to receive and convert electrical power transmitted from the AC power grid at the second fixed AC voltage level to the electrical power at the first fixed DC voltage level for transmission to the DC bus via input/output interface 1 12, and to receive and convert the electrical power transmitted on the DC bus at the first fixed DC voltage level to the electrical power at the second fixed AC voltage level for transmission to the AC power grid.
- the electrical power distribution system 100 can feed back electrical power from the system to the grid, as conditions warrant.
- the AC/DC bidirectional converter 1 15 is coupled to the input/output interface 1 1 1 to receive and convert electrical power transmitted from the AC power grid at the second fixed AC voltage level to the electrical power at the first fixed AC voltage level for transmission to the AC power output ports 120 via input/output interface 1 1 1 .
- an AC power output adapter 190 couples the DC bus 105 and to the plurality of AC power output ports 120 to provide AC power to the AC power loads 125.
- the AC power output adapter comprises an input bus interface 191 that couples the AC power output adapter to the DC bus, and an output interface 193 that couples the AC power output adapter to the AC power output ports 120.
- a DC-to-AC (DC/AC) converter 192 is coupled to the input bus interface 191 and the output interface 193 to receive and convert the electrical power transmitted on the DC bus at the first fixed DC voltage level to the electrical power at the first fixed AC voltage level for transmission to the AC power output ports.
- the AC/DC bidirectional converter 1 15 in the AC I/O power adapter 1 10 could provide the same functionality as DC/AC converter 192, but it would not provide the redundancy and failsafe functionality of having this functionality provided by DC/AC converter 192 located in the separate adapter 190.
- an DC power output adapter 195 couples the DC bus 105 and to DC power output port 175 to provide DC power to a DC power load 175, such an electric vehicle charging station.
- the DC power output adapter comprises an input bus interface 196 that couples the DC power output adapter to the DC bus, and an output interface 197 that couples the DC power output adapter to the DC power output port 175.
- a DC-to-DC (DC/DC) converter 198 is coupled to the input bus interface 196 and the output interface 197 to receive and convert the electrical power transmitted on the DC bus at the first fixed DC voltage level to electrical power a fixed DC voltage level for transmission to the DC power output port 175.
- a controller 101 is coupled to the DC power output adapter 135, the current and voltage sensors 140 to control an amount of the electrical power transmitted on the DC bus 105 at the first fixed DC voltage level that the DC power output adapter 135 is to receive and convert to the electrical power at the second fixed DC voltage level for transmission to the DC power output ports 130, based on the amount of DC transmitted by the DC power output ports to the DC power loads as detected by the current and voltage sensors 140.
- controller 101 is coupled to the AC power I/O adapter 1 10, and the current and voltage sensors 146, to control an amount of the electrical power transmitted from the AC power grid at the second fixed AC voltage level that the AC power I/O adapter 1 10 is to receive and convert to the electrical power at the first fixed AC voltage level for transmission to the AC power output ports 120, based on the amount of AC transmitted by the AC power output ports 120 to the AC power loads 125 as detected by current and voltage sensors 146.
- controller 101 is coupled to the DC power output adapter 135, the current and voltage sensors 140, and the AC power I/O adapter 1 10, to control an amount of the electrical power transmitted from the AC power grid at the second fixed AC voltage that the AC power I/O adapter 1 10 is to receive and convert to the electrical power at the first fixed DC voltage level for transmission to the DC bus 105, based on the amount of DC transmitted by the DC power output ports 130 to the DC power loads 145 detected by current and voltage sensors 140.
- controller 101 is coupled to the AC power output adapter 190 and the current and sensors 146, to control an amount of the electrical power transmitted on the DC bus 105 at the first fixed DC voltage level that the AC power output adapter 190 is to receive and convert to the electrical power at the first fixed AC voltage level for transmission to the AC power output ports 120, based on the amount of AC transmitted by the AC power output ports to the AC power loads as detected by the current and sensors 146.
- controller 101 is to control the amount of the electrical power transmitted on the DC bus 105 at the first fixed DC voltage level that the AC power I/O adapter 1 10 is to receive and convert to the electrical power at the second fixed AC voltage level for transmission to the AC power grid, based on one or more of the amount of DC transmitted by the plurality of DC power output ports 130 to the plurality of DC power loads 145 as detected by the first circuitry, the amount of AC transmitted by the plurality of AC power output ports 120 to the plurality of AC power loads125 as detected by the second circuitry, the state of the DC power source, and the state of the DC power storage device.
- the electrical power distribution system further comprises a DC power input adapter 150 coupled to the DC bus 105 and to couple to a DC power source 155 to provide DC power to the electrical power distribution system.
- the DC power source is an alternative energy source, such as a PV solar power source.
- the DC power input adapter includes an input interface 151 that couples the DC power input adapter 150 to the DC power source 155, and an output bus interface 152 that couples the DC power input adapter to the DC bus 105.
- a DC-to-DC (DC/DC) converter 177 is coupled to the input interface 151 and the output bus interface 152 to receive and convert electrical power transmitted by the DC power source at a third fixed DC voltage level to the electrical power transmitted on the DC bus at first fixed DC voltage level.
- the third fixed DC voltage level is 1000 volts.
- the DC/DC converter is a 1000 volt to 800 volt DC/DC converter.
- Controller 101 further is coupled to the DC power input adapter 150 to control an amount of the electrical power at the third fixed DC voltage level that the DC power input adapter 150 is to receive and convert to electrical power at the first fixed DC voltage level for transmission on the DC bus 105.
- the controller controls the amount of the electrical power at the third fixed DC voltage level that the DC power input adapter 150 is to receive and convert to electrical power at the first fixed DC voltage level for transmission on the DC bus 105, based on one or more of the amount of DC transmitted by the DC power output ports 130 to the DC power loads 145 as detected by the current and voltage sensors 140, the amount of AC transmitted by the AC power output ports 120 to the AC power loads 125 as detected by the current and voltage sensors 146, and the desirability of or the priority assigned to the electrical power transmitted from the AC power grid 121 at the second fixed AC voltage level relative to the desirability of or priority assigned to the electrical power transmitted by the DC power source 155 at a third fixed DC voltage level.
- the desirability of or priority assigned to the electrical power transmitted from the AC power grid 121 at the second fixed AC voltage level relative to the desirability of or priority assigned to the electrical power transmitted by the DC power source 155 at a third fixed DC voltage level may be based on, for example, one or more of unit price, environmental impact, availability, quality, stability, capacity, transmission or delivery efficiency, location or distance of a source, etc.
- DC power input adapter 150 includes parameter sensor 180 to detect a state of the DC power source 155.
- the controller 101 may control the amount of the electrical power at the third fixed DC voltage level that the DC power input adapter 155 is to receive and convert to electrical power at the first fixed DC voltage level for transmission on the DC bus 105 based on the state of the DC power source, or environmental factors that impact the state of the DC power source, such as, in the case where the DC power source is a PV solar power source, the temperature, wind, intensity and/or angle of incidence of sunlight to the DC power source, time of day, season, etc.
- DC power input adapter 150 further includes a controller 186 in communication with DC power source 155 by which DC power input adapter 150 can control functionality of the DC power source 155.
- the electrical power distribution system in one embodiment, comprises a DC power input/output (I/O) adapter 160 coupled to the DC bus 105 and further to couple to a DC power storage device 165.
- the DC power I/O adapter includes an input/output interface 161 that couples the DC power I/O adapter to DC power storage device 165, and an input/output bus interface 162 that couples the DC power IO adapter to the DC bus 105.
- a bi-directional DC/DC converter is coupled to the input/output interface 161 and the input/output bus interface 162 to receive and convert the electrical power transmitted on the DC bus 105 at the first fixed DC voltage level to an electrical power transmitted to the DC power storage device 165 at a fourth fixed DC voltage level, and to receive and convert the electrical power transmitted from the DC power storage device 165 at the fourth fixed DC voltage level to the electrical power transmitted on the DC bus 105 at the first fixed DC voltage level.
- the fourth fixed DC voltage level is 400 volts.
- the DC/DC converter is a 400 volt to 800 volt DC/DC converter.
- the DC power storage device is a Lithium-ion battery, and may include a battery management system.
- the controller 101 further is coupled to the DC power I/O adapter 160 to control an amount of the electrical power transmitted on the DC bus 105 at the first fixed DC voltage level that the DC power I/O adapter is to receive and convert to electrical power at the fourth fixed DC voltage level for transmission to the DC power storage device 165.
- the amount of the electrical power transmitted on the DC bus 105 at the first fixed DC voltage level that the DC power I/O adapter 160 is to receive and convert to electrical power at the fourth fixed DC voltage level for transmission to the DC power storage device 165 is based on one or more of the amount of DC transmitted by the DC power output ports 130 to the DC loads 145 as detected by the current sensors 140, the amount of AC transmitted by the AC power output ports 120 to the AC loads 125 as detected by the current sensors 146, and the amount of the electrical power transmitted by the DC power source 160 at the third fixed DC voltage level.
- the controller further is to control an amount of the electrical power at the fourth fixed DC voltage level that the DC power I/O adapter 160 is to receive and convert for transmission on the DC bus 105 at the first fixed DC voltage level.
- the controller may do so based on one or more of the amount of DC transmitted by the DC power output ports 130 to the DC loads 145 as detected by the current sensors 140, the amount of AC transmitted by the AC power output ports 120 to the AC loads 125 as detected by the current sensors 146, the amount of the electrical power transmitted by the DC power source 155 at the third fixed DC voltage level, the desirability of or priority assigned to the electrical power transmitted from the AC power grid 120 at the second fixed AC voltage level relative to the desirability of or priority assigned to the electrical power transmitted by the DC power I/O adapter 165 at the fourth fixed DC voltage level, and the desirability of or priority assigned to the electrical power transmitted from the DC power source 155 at the third fixed DC voltage level relative to the desirability of or priority assigned to the electrical power transmitted by the DC
- DC power I/O adapter 160 includes parameter sensor 181 to detect a state of the DC power storage device 165. In such case, the controller 101 may control the amount of the electrical power at the fourth fixed DC voltage level that the DC power I/O adapter 155 is to receive and convert to electrical power at the first fixed DC voltage level for transmission on the DC bus 105 based on the state of the DC power storage device, or factors that impact the state of the DC power storage device.
- DC power I/O adapter 160 further includes a controller 184 in communication with DC power storage device 165 by which DC power I/O adapter 160 can control functionality of the DC power storage device 165.
- controller 101 is a central controller located within the electrical power distribution system and communicates with a microcontroller or the like located in each component it controls, for example, microcontrollers 180 and 181 respectively located in adapters 150 and 160.
- the controller may be a distributed controller system, wherein each component described herein as being in communication with the controller may in fact incorporate or communicate with its own controller or a controller shared with a subset of the components in the electrical power distribution system. The controllers in such case communicate with each other as needed in order to perform the functions described herein.
- the controller(s) may be hardwired in communication with the components and/or may be wirelessly in communication with the components.
- an external controller 170 communicates with the controller(s). Controller 170 may be a part of a cloud-computing based energy management system and connect to controller 101 via the Internet, for example.
- Embodiments of the invention can further be described as an electrical power distribution system 100 that includes an electrical power router.
- the power router has a number of input ports and a number of output ports, and distributes an electrical signal received on one or more of the input ports to one or more of the output ports.
- the electrical power router is a common direct current (DC) bus with a number of bus interfaces.
- an electrical input adapter e.g., DC power input adapter 150
- the electrical input adapter receives and converts an electrical signal input from the electrical power source to the electrical signal distributed by the power router.
- the electrical input adapter in such an embodiment includes an interface, e.g., interface 151 , with the electrical power source that has electrical and mechanical characteristics that match those of the electrical power source, and an interface, e.g., interface 152, with the electrical power router that has electrical and mechanical characteristics that match those of the electrical power router.
- an electrical output adapter e.g., DC power output adapter 135, is coupled to one of the output ports and further to couple to an electrical power load, e.g., DC power loads 145.
- the electrical output adapter receives and converts the electrical signal distributed by the power router from the one of the output ports to an electrical signal output to the electrical power load.
- the electrical output adapter includes an interface, e.g., interface 137, with the electrical power load that has electrical and mechanical characteristics that match those of the electrical power load, and an interface, e.g., interface 136, with the electrical power router that has electrical and mechanical characteristics that match those of the electrical power router.
- the embodiment further includes a controller 101 coupled to the electrical input adapter, the electrical output adapter, and the electrical power router, to control transmission of the electrical signal from the electrical input adapter to the electrical output adapter through the electrical power router.
- a subset of the bus interfaces have an electrical circuit coupled to the DC bus and to couple to a DC voltage output of an AC to DC converter or DC to DC converter of the electrical input adapter. The subset of the bus interfaces control an amount of current provided in the electrical signal to be distributed by the power router.
- the subset of bus interfaces control the amount of current provided in the electrical signal to be distributed by the power router by performing one or more of the functions of: current direction control, current limit control, current magnitude control, current sensing, voltage sensing and voltage control on an input to the electrical circuit, voltage sensing and voltage control on an output of the electrical circuit.
- a second subset of the bus interfaces includes an electrical circuit coupled to the DC bus and to couple to a DC voltage input of a DC to DC converter or DC to AC converter of the electrical output adapter.
- the second subset of the bus interfaces control an amount of current received from the electrical signal distributed by the power router.
- the second subject of bus interfaces controls the amount of current received from the electrical signal distributed by the power router by performing one or more of the functions of: current direction control, current limit control, current magnitude control, current sensing, voltage sensing and voltage control on the input to the electrical circuit, voltage sensing and voltage control on the output of the electric circuit.
Abstract
Description
Claims
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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US201762523194P | 2017-06-21 | 2017-06-21 | |
US201762532945P | 2017-07-14 | 2017-07-14 | |
US15/724,206 US10389134B2 (en) | 2017-06-21 | 2017-10-03 | Electrical power distribution system and method |
PCT/US2018/038624 WO2018237089A1 (en) | 2017-06-21 | 2018-06-20 | Electrical power distribution system and method |
Publications (2)
Publication Number | Publication Date |
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EP3642924A1 true EP3642924A1 (en) | 2020-04-29 |
EP3642924A4 EP3642924A4 (en) | 2021-01-06 |
Family
ID=64692873
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18820687.4A Withdrawn EP3642924A4 (en) | 2017-06-21 | 2018-06-20 | Electrical power distribution system and method |
Country Status (4)
Country | Link |
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US (1) | US10389134B2 (en) |
EP (1) | EP3642924A4 (en) |
CN (1) | CN110999011A (en) |
WO (1) | WO2018237089A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10897138B2 (en) | 2018-04-12 | 2021-01-19 | Katerra, Inc. | Method and apparatus for dynamic electrical load sensing and line to load switching |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3729599B1 (en) * | 2017-12-22 | 2022-05-11 | Heliox B.V. | A charging system and a method of charging an electrical energy storage device |
US10790662B2 (en) * | 2018-04-03 | 2020-09-29 | Katerra, Inc. | DC bus-based electrical power router utilizing multiple configurable bidirectional AC/DC converters |
Family Cites Families (49)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6933627B2 (en) | 1991-01-08 | 2005-08-23 | Nextek Power Systems Inc. | High efficiency lighting system |
US6134124A (en) | 1999-05-12 | 2000-10-17 | Abb Power T&D Company Inc. | Universal distributed-resource interface |
US6369461B1 (en) | 2000-09-01 | 2002-04-09 | Abb Inc. | High efficiency power conditioner employing low voltage DC bus and buck and boost converters |
US20020084655A1 (en) | 2000-12-29 | 2002-07-04 | Abb Research Ltd. | System, method and computer program product for enhancing commercial value of electrical power produced from a renewable energy power production facility |
WO2005038366A1 (en) | 2003-10-15 | 2005-04-28 | Ice Energy, Inc | Refrigeration apparatus |
US20060092588A1 (en) | 2004-10-28 | 2006-05-04 | Realmuto Richard A | Multiple bi-directional input/output power control system |
US7701083B2 (en) | 2004-10-27 | 2010-04-20 | Nextek Power Systems, Inc. | Portable hybrid applications for AC/DC load sharing |
US7274975B2 (en) | 2005-06-06 | 2007-09-25 | Gridpoint, Inc. | Optimized energy management system |
US8615381B2 (en) | 2005-11-15 | 2013-12-24 | Robert Bosch Healthcare Systems, Inc. | Home power management system |
WO2010042118A1 (en) | 2008-10-09 | 2010-04-15 | Otis Elevator Company | Building with multiple power generation sources enabled by an elevator system |
US8008808B2 (en) | 2009-01-16 | 2011-08-30 | Zbb Energy Corporation | Method and apparatus for controlling a hybrid power system |
US9093862B2 (en) * | 2009-01-16 | 2015-07-28 | Zbb Energy Corporation | Method and apparatus for controlling a hybrid power system |
US8442698B2 (en) | 2009-01-30 | 2013-05-14 | Board Of Regents, The University Of Texas System | Methods and apparatus for design and control of multi-port power electronic interface for renewable energy sources |
TWI380551B (en) | 2009-06-19 | 2012-12-21 | Univ Nat Sun Yat Sen | Multi-input power converter system for hybrid renewable energy generation system |
US8532808B2 (en) | 2009-06-22 | 2013-09-10 | Johnson Controls Technology Company | Systems and methods for measuring and verifying energy savings in buildings |
MX2012003417A (en) | 2009-09-21 | 2013-05-30 | Renewable Energy Solution Systems | Solar power distribution system. |
US8401709B2 (en) | 2009-11-03 | 2013-03-19 | Spirae, Inc. | Dynamic distributed power grid control system |
US8421270B1 (en) | 2010-04-15 | 2013-04-16 | Science Applications International Corporation | System and method for a controlled interconnected DC and AC bus microgrid |
US8447435B1 (en) | 2010-04-15 | 2013-05-21 | Science Applications International Corporation | System and method for routing power across multiple microgrids having DC and AC buses |
US8781640B1 (en) | 2010-04-15 | 2014-07-15 | Science Applications International Corporation | System and method for controlling states of a DC and AC bus microgrid |
US8164217B1 (en) | 2010-04-15 | 2012-04-24 | Science Applications International Corporation | System and method for management of a DC and AC bus microgrid |
US20120083930A1 (en) | 2010-09-30 | 2012-04-05 | Robert Bosch Gmbh | Adaptive load management: a system for incorporating customer electrical demand information for demand and supply side energy management |
US20120319477A1 (en) | 2010-11-10 | 2012-12-20 | Michael Scott Brownlee | Lighting system |
US8970176B2 (en) * | 2010-11-15 | 2015-03-03 | Bloom Energy Corporation | DC micro-grid |
US10110010B2 (en) * | 2011-04-15 | 2018-10-23 | Deka Products Limited Partnership | Modular power conversion system |
RU2017103287A (en) | 2011-08-22 | 2019-01-18 | ЭнСинк, Инк. | Material for a flowing frame of a flowing battery and a flowing frame of this material |
WO2013046244A1 (en) * | 2011-09-26 | 2013-04-04 | Murano Minoru | System using direct-current power source, and direct-current-type microgrid network using same system |
US8958218B2 (en) | 2011-11-04 | 2015-02-17 | Zbb Energy Corporation | System and method for power conversion for renewable energy sources |
CN104067505A (en) | 2012-01-24 | 2014-09-24 | 罗伯特·博世有限公司 | System and method for system-level power point control of a photovoltaic device |
US20130300196A1 (en) | 2012-05-09 | 2013-11-14 | Dynapower Company, Llc | Multi-port inverter/converter system for dynamic micro-grid applications |
CN104782014A (en) | 2012-08-16 | 2015-07-15 | 罗伯特·博世有限公司 | DC building system with energy storage and control system |
WO2014037583A2 (en) * | 2012-09-10 | 2014-03-13 | Abb Technology Ag | Power distribution system for autonomous facilities |
US9312698B2 (en) | 2012-12-19 | 2016-04-12 | Robert Bosch Gmbh | System and method for energy distribution |
US9438041B2 (en) | 2012-12-19 | 2016-09-06 | Bosch Energy Storage Solutions Llc | System and method for energy distribution |
CN103248068B (en) | 2013-04-28 | 2014-12-10 | 天津大学 | Electric energy router provided with multiple power supply manners |
WO2015047393A2 (en) * | 2013-09-30 | 2015-04-02 | Schneider Electric It Corporation | Ups for mixed ac and dc loads |
CN106030975B (en) * | 2013-12-23 | 2018-10-19 | 施耐德电气It公司 | Dynamic DC link voltages control |
WO2015107593A1 (en) * | 2014-01-15 | 2015-07-23 | 日本電気株式会社 | Power router and method for controlling same, computer-readable medium, and power network system |
US9692236B2 (en) | 2014-01-27 | 2017-06-27 | Ivani, LLC | Reconfigurable power control system |
US9368967B1 (en) | 2014-02-06 | 2016-06-14 | Dietrich Vedder | Converter for connecting multiple AC voltage sources to a utility grid without first rectifying the AC to a common DC bus |
US9745038B2 (en) * | 2014-07-11 | 2017-08-29 | General Electric Company | DC power system for marine applications |
US10097078B2 (en) | 2014-10-21 | 2018-10-09 | Toshiba International Corporation | Multi-mode energy router |
EP3245705B1 (en) | 2015-07-02 | 2018-08-29 | Dynapower Company LLC | Islanding a plurality of grid tied power converters |
EP3257129B1 (en) | 2015-07-02 | 2020-11-04 | Dynapower Company LLC | Power converter system having active standby mode and method of controlling the same |
US10424923B2 (en) | 2015-09-30 | 2019-09-24 | Tesla, Inc. | Scalable and flexible cell-based energy storage system |
FR3043860B1 (en) * | 2015-11-16 | 2018-09-07 | Bluebus | VOLTAGE CONVERTING DEVICE FOR HIGH VOLTAGE SIGNALS. |
US20170179723A1 (en) * | 2015-12-16 | 2017-06-22 | National Chung Shan Institute Of Science And Technology | Clustered energy-storing micro-grid system |
US10003200B2 (en) * | 2016-01-04 | 2018-06-19 | Schneider Electric It Corporation | Decentralized module-based DC data center |
US10454277B2 (en) * | 2016-06-08 | 2019-10-22 | Faith Technologies, Inc. | Method and apparatus for controlling power flow in a hybrid power system |
-
2017
- 2017-10-03 US US15/724,206 patent/US10389134B2/en active Active
-
2018
- 2018-06-20 WO PCT/US2018/038624 patent/WO2018237089A1/en unknown
- 2018-06-20 CN CN201880054061.2A patent/CN110999011A/en active Pending
- 2018-06-20 EP EP18820687.4A patent/EP3642924A4/en not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10897138B2 (en) | 2018-04-12 | 2021-01-19 | Katerra, Inc. | Method and apparatus for dynamic electrical load sensing and line to load switching |
Also Published As
Publication number | Publication date |
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US10389134B2 (en) | 2019-08-20 |
EP3642924A4 (en) | 2021-01-06 |
CN110999011A (en) | 2020-04-10 |
US20180375339A1 (en) | 2018-12-27 |
WO2018237089A1 (en) | 2018-12-27 |
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